An example of a monotreme is a (n)

A. elephant.

B. platypus.

C. duck.

D. kangaroo.

Why is it important to reduce demand for renewable resources? A. Reducing demand also increases prices. B. Reducing demand also reduces supply. C. Reducing demand also increases the need for recycling. D. Reducing demand also reduces consumption.

Describe how adaptations can start in one individual and be "spread" throughout an entire population of organisms

Hat relationship appears to exist between solar radiation and the average temperature at the chosen location of the earth

Which is false? a. Enzymes are very specific for certain substrates. b. Enzymes are used up in chemical reactions. c. An enzyme binds to its substrate at the enzyme's active site. d. Enzymes emerge unchanged from the reactions they catalyze.

Trisomy-21 results from a mutation to the chromosomes in A. body cells B. somatic cells C. gametes D. skin cells

The __ consists of the pons and cerebellum.

If you were standing at the North Pole, where would Polaris be located A) at your zenith B) on the horizon C) at your azimuth

The three main parts of a DNA nucleotide

While Michael is sleeping, his eye muscles are moving, but all other skeletal muscles are at rest. Which of the following statements about Michael is true?

Which statements describe ways that science meets society's needs? Check all that apply A scientists investigate a new way to clean up spilled oil on land B scientist developed a procedure to collect water samples for experiments C scientist improve